What pieces of information are needed to establish that two triangles are congruent?

Same length is comparing because it’s saying its the same and not different

Ithink the right answer could be 50%

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.